Gen. George McClellan

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Union Gen. George McClellan was put in command of the Army of the Potomac in 1861. McClellan was twice given command of the Union Army and twice relieved of his command because disagreements over strategy with President Abraham Lincoln. In 1864 he ran for president as the Democratic Party nominee but was defeated by Lincoln.

Union Gen. George McClellan was put in command of the Army of the Potomac in 1861. McClellan was twice given command of the Union Army and twice relieved of his command because disagreements over strategy with President Abraham Lincoln. In 1864 he ran for president as the Democratic Party nominee but was defeated by Lincoln.